D3.js randomExponential() Function
Last Updated :
31 Aug, 2022
The randomExponential() function is used to return a function that generates the random number based on the exponential distribution.
Syntax:
d3.randomExponential(lambda);
Parameters: It takes only one parameter that is given above and described below.
- lambda: It is the rate of the exponential distribution function which is equal to the time between events in a Poisson process.
Returns: It returns a function.
Note: The value of the output may be different each time the function is run.
Below given are a few examples of the above function.
Example 1: When lambda is greater than one.
html
<!DOCTYPE html>
< html lang="en">
< head >
< meta charset="UTF-8">
< meta name="viewport"
content=" width = device -width,
initial-scale = 1 .0">
< title >Document</ title >
</ head >
< style >
</ style >
< body >
< script type = "text/javascript"
</ script >
< script >
/* The value of the output may be
different each time the function is run.*/
console.log(d3.randomExponential(5)())
console.log(d3.randomExponential(5)())
console.log(d3.randomExponential(5)())
console.log(d3.randomExponential(5)())
console.log(d3.randomExponential(5)())
</ script >
</ body >
</ html >
|
Output:
Example 2: When the value of lambda is less than one.
html
<!DOCTYPE html>
< html lang="en">
< head >
< meta charset="UTF-8">
< meta name="viewport"
content=" width = device -width,
initial-scale = 1 .0">
< title >Document</ title >
</ head >
< style >
</ style >
< body >
< script type = "text/javascript"
</ script >
< script >
/* The value of the output may be
different each time the function is run.*/
console.log(d3.randomExponential(0.5)())
/* Smaller the lambda greater the random value generated.
console.log(d3.randomExponential(0.05)())
console.log(d3.randomExponential(0.005)())
console.log(d3.randomExponential(0.0005)())
</ script >
</ body >
</ html >
|
Output:
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